BENEFITS: Keep your spa water balanced by making sure it is within the recommended ranges

USE: Tests for free biguanide sanitizer, pH, alkalinity, calcium hardness, bromine or chlorine

COMPATIBILITY: Chlorine-free, bromine-free hot tub sanitizing system

FEATURES: 4-way testing strips; Easy to read chart on back of bottle

INCLUDES: 50 test strips compatible with biguanide spa system

Free biguanide system test strips

Easy to use

Accurate spa water testing

Good for quick use

Test for sanitizer (free), pH, total alkalinity, and calcium hardness